[coreboot] r3337 - in trunk/payloads/libpayload: include libc
svn at coreboot.org
svn at coreboot.org
Tue May 20 22:09:42 CEST 2008
Author: jcrouse
Date: 2008-05-20 22:09:42 +0200 (Tue, 20 May 2008)
New Revision: 3337
Modified:
trunk/payloads/libpayload/include/libpayload.h
trunk/payloads/libpayload/libc/lar.c
Log:
libpayload: Add larfptr function
Add a function to get a pointer to the start of a LAR entry.
Signed-off-by: Jordan Crouse <jordan.crouse at amd.com>
Acked-by: Myles Watson <mylesgw at gmail.com>
Modified: trunk/payloads/libpayload/include/libpayload.h
===================================================================
--- trunk/payloads/libpayload/include/libpayload.h 2008-05-20 20:08:11 UTC (rev 3336)
+++ trunk/payloads/libpayload/include/libpayload.h 2008-05-20 20:09:42 UTC (rev 3337)
@@ -247,6 +247,7 @@
struct larent *readlar(struct LAR *lar);
void rewindlar(struct LAR *lar);
int larstat(struct LAR *lar, const char *path, struct larstat *buf);
+void *larfptr(struct LAR *lar, const char *filename);
struct LFILE * lfopen(struct LAR *lar, const char *filename);
int lfread(void *ptr, size_t size, size_t nmemb, struct LFILE *stream);
Modified: trunk/payloads/libpayload/libc/lar.c
===================================================================
--- trunk/payloads/libpayload/libc/lar.c 2008-05-20 20:08:11 UTC (rev 3336)
+++ trunk/payloads/libpayload/libc/lar.c 2008-05-20 20:09:42 UTC (rev 3337)
@@ -218,6 +218,16 @@
return 0;
}
+void * larfptr(struct LAR *lar, const char *filename)
+{
+ struct lar_header *header = get_header_by_name(lar, filename);
+
+ if (header == NULL)
+ return NULL;
+
+ return (void *) ((u8 *) header + ntohl(header->offset));
+}
+
struct LFILE * lfopen(struct LAR *lar, const char *filename)
{
struct LFILE *file;
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